Sidney Crosby acknowledged he recently had a setback and experienced symptoms during his recovery from a concussion, but the Pittsburgh Penguins star said he isn't worried that he won't be ready for the start of next season. Crosby addressed reporters on Friday for the first time in weeks, on the day the Penguins packed up and dispersed after being eliminated from the NHL playoffs. He admitted that the reason he hasn't been on the ice for non-contact drills or practices for the past two weeks was because he had experienced headaches and other symptoms. Read more: http://sports.espn.go.com/nhl/news/story?id=6450734